Marshall County Power Outage History
2015–2025 · Indiana
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 29, 2024 | 0 hrs | 6,460 (31%) | Unnamed event |
| Sep 29, 2024 | 1 hrs | 6,460 (31%) | Unnamed event |
| Sep 22, 2024 | 1 hrs | 6,460 (31%) | Unnamed event |
| Sep 29, 2024 | 0 hrs | 6,460 (31%) | Unnamed event |
| Sep 1, 2024 | 1 hrs | 6,188 (29%) | Thunderstorm Wind |
Over the 11 years from 2015 to 2025, Marshall County recorded 321 distinct power outage events, averaging 10.9 hours per event.
The single worst outage on record in Marshall County started September 29, 2024, lasting 0 hours and leaving up to 6,460 customers without power (31% of the county) at its peak.
July has historically been the worst month for outages in Marshall County, with 59 events recorded during that month across the dataset.
Based on this history, Marshall County earns a Reliability Grade of C, placing it in the 45th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Marshall County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides.
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Marshall County.
| County | Grade | National percentile |
|---|---|---|
| Benton County | C | 44th |
| Knox County | C | 46th |
| Harrison County | C | 46th |
| Posey County | C | 44th |
| Lawrence County | C | 47th |
FAQ
How often does power go out in Marshall County?
Between 2015 and 2025, Marshall County recorded 321 outage events, averaging 10.9 hours each.
What is Marshall County's reliability grade?
Marshall County has a Reliability Grade of C, in the 45th national percentile.
What was the worst power outage in Marshall County?
The worst outage on record started September 29, 2024, lasting 0 hours and affecting up to 6,460 customers.